Pull Request/Adding new css property and function to create text element

I added a new css property which is "pointer-events" and two functions in order to create and cast a text element. There wasn't function to cast (or create) a text element and I need it because I did a query on text element in a html page. To work on elements of the query, I need to cast it in Html.text. At the same occasion, there wasn't the function which  create a text field so I added to the module